Reint and Anna, the siblings, were interstellar wanderers whose power barely reached the level of Upper Divine. In the Cosmic Sea, they were still considered decent, but inside the Purgatory Gate, they were very ordinary.
The reason the siblings ended up imprisoned in the Purgatory Gate was because they had inadvertently offended a member of the Federation Nobles and were falsely accused and jailed. Moreover, the noble's family wielded vast power, enough to have them locked in the most fearsome prison in the Cosmic Sea—the Purgatory Gate.
After chatting with Reint, Guding slightly furrowed his brow as he learned about these details.
